Imagine Anime are short anime sketches that were sold exclusively at Animate. Inexplicably, each episode was sold on a separate DVD. Each episode is only a few minutes long. They were sold in three boxes.

As this series is about time travel, some has theorized that the two main Riders, Den-O and Zeronos, are a comparison between the present and the past, even comparing them to the Heisei era Riders and Showa era Riders.

Den-O uses the modern day Contactless Smart Card system for train ticketing and payments, while Zeronos uses the traditional ticketing system that needs to physically insert the ticket into the slot;

DenLiner is a modern bullet train, while ZeroLiner is a steam locomotive used in the older days;